Untimed muzzle brake



FIG. 1 is an isometric view of the UNTIMED MUZZLE BRAKE of the present invention;

FIG. 2 is a second isometric view thereof;

FIG. 3 is a third isometric view thereof;

FIG. 4 is a fourth isometric view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a right-side view thereof;

FIG. 8 is a left-side view thereof;

FIG. 9 is a top plan view thereof; and

FIG. 10 is a bottom plan view thereof.

The broken lines form no part of the claimed design. 

CLAIM The ornamental design for an UNTIMED MUZZLE BRAKE as shown and described. 